from django import forms
from django.utils.translation import gettext_lazy as _

from pingcap_sso.validators.username import validate_username


class UsernameForm(forms.Form):

    username = forms.CharField(
        required=True,
        error_messages={
            'required': _('username is required')
        })

    def clean_username(self):
        username = self.cleaned_data['username']
        validate_username(username)
        return username